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Corncrake Crex
crex

Bialowieza village,
Poland 52º
42' 03.0'' N 23º 50' 08.2'' E 28
June 2009, 2120h
Advertising/territorial song of male in rank, damp vegetation
in a large forest clearing; classic rasping double-notes produced
c105 times/min (in c52 double rasps) - note the 'broadband' frequencies between 1 and 7
kHz.
[File
name: corncrake280609bailowieza]

Lake Siikalahti,
Parikkala, Finland 3
July 2003, 0054h
Advertising call
(territorial song) of male, repeated rasping note
at c114/min (in c57 double rasps).
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